Product program / Loudspeaker / Line Array

SR-A18B

The subwoofer shall be a high-power, direct-radiating design suitable for suspension or ground placement.&nbsp; The transducer shall be a heavy-duty 18” (460 mm) driver with die-cast frame, vented pole piece, and a 4” (100 mm) edgewound copper-clad aluminum ribbon voice-coil.&nbsp; The enclosure shall be vented with a tuned port.&nbsp; The subwoofer input connectors shall include one M5 screw terminal connection and two Neutrik NL4 type sockets, wired in parallel for pass-through to additional speakers.

The subwoofer shall meet the following performance criteria.&nbsp; Power handling: 240 watts continuous pink noise (24 continuous hours, 40 Hz to 1 kHz), 720 watts continuous program.&nbsp; Frequency response (10 dB below rated pressure sensitivity, with recommended equalization):&nbsp; 40 Hz to 400 Hz.&nbsp; Pressure sensitivity (1 watt at 1 m, 50 Hz - 150 Hz avg.): 95 dB free field.&nbsp; Impedance: 8 ohms nominal.&nbsp; 

The subwoofer enclosure shall be made of plywood and finished with black urethane paint.&nbsp; The subwoofer grille shall be made from a single punched steel plate and finished with black acrylic paint.&nbsp; The dimensions (W x H x D) shall be 29.13” x 22.56” x 27.48” (740 mm x 573 mm x 698 mm) and weight (including accessory brackets) shall be 145.5 lbs. (66 kg).&nbsp; The subwoofer enclosure shall be equipped with M10 threaded steel plates for the secure attachment of optional accessory brackets.&nbsp; Available accessory brackets for suspension and stand mounting shall be made of steel.

The subwoofer shall be TOA model SR-A18B.
The rigging frame shall be TOA model SR-RF12.
The tilt joint plate shall be TOA model SR-TP12.